1. Logon to the IIS FTP server and locate data channel port range. The default is set to 0-0, which mean there is a large data set of ports that needs to be open on the firewall. If you want to limit the ports to a shorter range then change from 0-0 to 5000-6000.
2. Stop and restart the Microsoft FTP Services
3. Make sure to open ports 5000-6000 on the Linux Stat Central Agent Server
4. Stop/restart the stat central agent